package ink.lovejinhu.leetcodeRe;

/**
 * @Author: jin
 * @Date: 2021/9/7 0:14
 * @Version: V1.0
 * @Slogan: Great people are not born great, but show their greatness in the process of growing up
 **/
public class Solution_0002 {
    /**
     *
     * java unordermap和map
     * 链表如果要特别判断第一个节点，加入一个虚拟节点
     */
}
